Gamvdout Combustion Engine Model Kit Diesel Engine Model Four-stroke Internal Combustion Engine Model for Physics Mechanics Experiment Teaching Instrument

[Purpose] This internal combustion engine model kit is suitable for middle school physics course experimental teaching, used to explain the basic structure and working principle of a four-stroke single-cylinder diesel engine DurableThe four-stroke internal combustion engine model is not easy to wear and has a long service life; the structure is scientific, and the operation and maintenance are simple [Specifications] Battery: 2 x 1.5V AA batteries (not included); Base length: about 16.7 cm / 6.57 inches; Height: about 29 cm / 11.41 inches; Weight: about 766 grams [Two ways of use] Provides two ways of use, manual or battery connected power supply Easy to useThe diesel engine model adopts a compact design, which is convenient for demonstration, and is assembled and easy to use